Price comparison

Design

The device is protected with extra seals to prevent failures caused by dust, raindrops, and water splashes.

For example

Apple iPhone 11 64GB

Samsung Galaxy A20

Samsung Galaxy J7

2.has a QWERTY keyboard

?

Text messaging is much faster due to a hardware keyboard.

For example

JioPhone 2

Samsung Galaxy A20

Samsung Galaxy J7

Display

1.resolution

?

Best

Sony Xperia H8541

2160 x 4320px

720 x 1560px

720 x 1280px

2.pixel density

?

Best

Sony Xperia H8541

847ppi

268ppi

267ppi

3.has branded damage-resistant glass

?

Damage-resistant glass (such as Corning Gorilla Glass or Asahi Dragontrail Glass) is thin, lightweight, and can withstand high levels of force.

For example

Oppo K3 (64GB / 6GB RAM)

Samsung Galaxy A20

Samsung Galaxy J7

4.screen size

?

The bigger the screen size is, the better the user experience.

Best

Huawei Mate X

8"

6.4"

5.5"

5.Has an AMOLED display

?

AMOLED displays, also known as active matrix OLED displays, offer higher refresh rates and consume less power than other types of displays.

Samsung Galaxy A20

Samsung Galaxy J7

6.has a touch screen

?

You can operate the device easily, by pressing the screen with your fingers.

Samsung Galaxy A20

Samsung Galaxy J7

Performance

1.Has integrated LTE

?

The system on a chip (SoC) has an integrated LTE cellular chip. LTE is capable of downloading at faster speeds than older, 3G technology.

Samsung Galaxy A20

Samsung Galaxy J7

2.RAM

?

Best

ZTE Nubia Red Magic 3s

12GB

3GB

1.5GB

3.CPU speed

?

Best

Meizu Pro 7 Plus 64GB

8 x 2.6GHz

2 x 1.6GHz & 6 x 1.35GHz (Samsung Exynos 7884)

8 x 1.5GHz

4.Has integrated graphics

?

With integrated graphics you don’t need to buy a separate graphics card.

Samsung Galaxy A20

Samsung Galaxy J7

5.OpenGL version

?

OpenGL is used in games, with newer versions supporting better graphics.

Best

蘋果iPhone 5S 銀色

4

3.1 (Android 9.0 Pie)

3.1 (Android 5.0 Lollipop)

6.Has dynamic frequency scaling

?

Dynamic frequency scaling is a technology that allows the processor to conserve power and reduce noise when it is under a light load.

Samsung Galaxy A20

Samsung Galaxy J7

Cameras

1.megapixels (main camera)

?

Best

Meizu 16s Pro (128GB / 8GB RAM)

48 & 20 & 16MP

13MP & 5MP

13MP

2.megapixels (front camera)

?

Best

LG G8X ThinQ

32MP

8MP

5MP

3.has built-in optical image stabilization

?

Optical image stabilization uses gyroscopic sensors to detect the vibrations of the camera. The lens adjusts the optical path accordingly, ensuring that any type of motion blur is corrected before the sensor captures the image.

For example

Apple iPhone 11 64GB

Samsung Galaxy A20

Samsung Galaxy J7

4.video recording (main camera)

?

The maximum resolution available for videos shot with the main camera. Although it may be possible to choose among other frame rates, those recordings usually have lower resolutions.

Best

Apple iPhone 11 64GB

2160 x 60fps

1080 x 30fps

1080 x 30fps

5.Has phase detection autofocus for photos

?

A phase detection autofocus is much faster than a contrast detection autofocus, allowing for sharper images.

For example

Apple iPhone 11 64GB

Samsung Galaxy A20

Samsung Galaxy J7

6.has a flash

?

A flash is good for low-light environments, and can sometimes be used as flashlight.

Samsung Galaxy A20

Samsung Galaxy J7

Audio

1.has stereo speakers

?

Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.

For example

Apple iPhone 11 64GB

Samsung Galaxy A20

Samsung Galaxy J7

2.has a socket for a 3.5 mm audio jack

?

With a standard mini jack socket, you can use the device with most headphones.

Samsung Galaxy A20

Samsung Galaxy J7

3.number of microphones

?

More microphones result in better sound quality and enable the device to filter out background noise.

Best

Asus ROG Phone II

4

2

1

4.Has a radio

?

A built-in FM radio tuner allows you to listen to most of the live-broadcasted FM radio stations without using the internet.

Battery

1.battery power

?

Best

Energizer Power Max P18K Pop

18000mAh

4000mAh

3000mAh

2.Supports fast charging

?

Fast charging technologies, like Qualcomm’s Quick Charge or MediaTek’s Pump Express, are used to reduce the time it takes to charge a device. For example, with Quick Charge 3.0, the battery can be charged to 50% in just 30 minutes.

Samsung Galaxy A20

Samsung Galaxy J7

3.has wireless charging

?

The manufacturer offers a branded wireless charging kit. To charge the device, you simply put it down on its charging base.

For example

Apple iPhone 11 64GB

Samsung Galaxy A20

Samsung Galaxy J7

4.has a removable battery

?

The battery is removable and can be replaced by the user if broken.

Samsung Galaxy A20

Samsung Galaxy J7

5.Has an ultra power-saving mode

?

The device can save battery by using just a black-and-white screen with a few basic icons. This means even with a small amount of battery, you can keep the device running for a long time.

Samsung Galaxy A20

Samsung Galaxy J7

6.has a battery level indicator

?

An indicator shows you when the device has low battery.

Samsung Galaxy A20

Samsung Galaxy J7

Features

1.Is a multi-user system

Samsung Galaxy A20

Samsung Galaxy J7

2.Supports Java

Samsung Galaxy A20

Samsung Galaxy J7

3.Has offline voice recognition

?

Offline voice recognition enables you to perform voice actions, like dictating texts or using various voice commands, without an internet connection.

Samsung Galaxy A20

Samsung Galaxy J7

4.Is free and open source

?

Anyone is free to use, copy, study, and change the software in any way, and the source code is openly shared so that people are encouraged to voluntarily improve the design of the software.

Samsung Galaxy A20

Samsung Galaxy J7

5.Has fast 802.11ac WiFi connection

?

802.11ac wireless works on the 5GHz frequency range. It offers higher transfer rates, improved reliability and improved power consumption. It provides advantages for gaming and HD video streaming.

For example

Apple iPhone 11 64GB

Samsung Galaxy A20

Samsung Galaxy J7

6.Supports widgets

?

You can add widgets to the home screen. This allows you to have more flexibility and to see information at a glance, without going into the app.